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definitions

omega-minus particle

[ oh-mee-guh-mahy-nuh s, -mey-, oh-meg-uh- ]
/ oʊˈmi gəˈmaɪ nəs, -ˈmeɪ-, oʊˈmɛg ə- /

noun Physics.

a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω−

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Nearby words

  1. omega baryon,
  2. omega meson,
  3. omega minus,
  4. omega-3 fatty acid,
  5. omega-c baryon,
  6. omega-oxidation theory,
  7. omelet,
  8. omelette,
  9. omen,
  10. omenn's syndrome

Origin of omega-minus particle

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019